Browsing Theses by Subject "Fatigue"
Now showing items 1-20 of 29
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Acceptance Criteria for Ultrasonic Impact Treatment of Highway Steel Bridges
(University of Waterloo, 2012-08-30)The need for rehabilitation of bridges has become a critical challenge due to aging and an increase in traffic loads. Many of these bridges are exceeding their design fatigue life. Since many of these bridges are structurally ... -
Behaviour of Magnesium Alloy Under Load-Control Cyclic Testing
(University of Waterloo, 2015-05-20)The characterization of material fatigue behaviour is crucial in the design of mechanical components. Magnesium alloys, particularly wrought magnesium alloys, are one of the most interesting materials for mechanical ... -
Bond Behaviour of Concrete Beams with Glass Fibre Reinforced Polymer Bars Under Fatigue Loading
(University of Waterloo, 2019-01-17)Since the 1980s and after the aerospace industries faced several periods of economic difficulty, the companies that produced fibre-reinforced polymers (FRPs) started to introduce them as new materials for construction ... -
Bond Behaviour of Corroded and CFRP Repaired RC Beams Subjected to Monotonic and Repeated Loading
(University of Waterloo, 2012-09-27)All reinforced concrete (RC) design theories are based on the assumption that concrete exhibits a perfect bond with the steel reinforcement. The bond between steel and concrete is essential to the transfer of the load ... -
Characterization and Modeling of Smooth and Notched Rolled ZEK100-O under Cyclic Load
(University of Waterloo, 2018-10-26)As an effective way to reduce greenhouse gas emissions, goals on weight reduction has been fully focused by automotive manufacturers to meet the environmental regulations. Magnesium (Mg) alloys, with its high specific ... -
Characterization of the Quasi-Static and Fatigue Behavior of Forged AZ31B Magnesium Alloy
(University of Waterloo, 2018-04-17)Light-weighting is being aggressively targeted by automotive manufacturers as a method to reduce emissions. Magnesium (Mg) alloys due to their low density and high specific strength have therefore gained significant interest ... -
Detection of Sub-Millimeter Surface Cracks using Complementary Split-Ring Resonator
(University of Waterloo, 2012-07-25)Many interesting ideas have emerged from research on electromagnetic eld interactions with di erent materials. Analyzing such interactions has extracted some essential proper- ties of the materials. For example, extracting ... -
Development of a probabilistic population model for the prediction of subacromial geometric variability
(University of Waterloo, 2015-03-16)Subacromial impingement syndrome (SAIS) is common in the shoulder and precedes several additional pathologies. SAIS occurs when the tissues interposed between the acromion process of the scapula and superior surface of the ... -
The Effect of Cold Spray Coating on Fatigue Life of Magnesium Alloy, AZ31B
(University of Waterloo, 2011-10-27)Wrought magnesium alloys are considered attractive candidates for structural members in automotive and aerospace industries due to their high specific strength. Although new processes have helped to produce high purity ... -
Elastic-Plastic Fatigue Crack Growth Analysis under Variable Amplitude Loading Spectra
(University of Waterloo, 2009-05-13)Most components or structures experience in service a variety of cyclic stresses. In the case of cyclic constant amplitude loading the fatigue crack growth depends only on the crack, the component geometry and the applied ... -
Evaluating the Effect of a Self-Healing Elastomer on the Self-Healing Properties of Asphalt Cement
(University of Waterloo, 2020-09-25)Asphalt pavements exhibit an interesting behaviour when the traffic loading is removed. The chemical structure of asphalt cement lends itself to the ability to heal damage and improve the longevity of the pavement. This ... -
Experimental Investigation and ANN Modelling of the Behavior of Asphalt Binders Modified with Novel Geopolymers
(University of Waterloo, 2022-08-24)The design of asphalt pavement has an impact on a country’s economic and environmental development. The main factors limiting the service life of flexible pavements are severe weather and increasing traffic volumes. Rutting ... -
Fatigue at the Workplace: Measurement and Temporal Development
(University of Waterloo, 2016-01-12)Fatigue at the workplace has been described as a multidimensional construct, affecting the overall state of the whole organism, which may be a consequence of prolonged work and various psychological, socioeconomic, and ... -
Fatigue Behaviour of Aluminum Friction Stir Welds Under Highway Bridge Conditions
(University of Waterloo, 2018-01-22)Friction stir welding (FSW) is a solid state joining process performed by rotating a cylindrical tool with a short protrusion between the two metal pieces to be joined. The combination of frictional and deformation heating ... -
Fatigue Behaviour of GFRP-Reinforced UHPC Closure Strips in Prefabricated Bridge Deck Applications
(University of Waterloo, 2016-09-01)Accelerated bridge construction techniques allow for bridges to be constructed or replaced more quickly in order to save commuter time and money. One of these techniques involved the use of prefabricated bridge deck panels, ... -
Fatigue Behaviour of Steel Girders Strengthened with Prestressed CFRP Strips
(University of Waterloo, 2010-05-20)Steel bridges and structures often need strengthening due to increased live loads, or repair due to corrosion or fatigue cracking. This thesis explores the use of adhesively bonded prestressed carbon fibre reinforced ... -
The Fatigue Behaviour of Tension Lap Spliced Reinforced Concrete Beams Strengthened with Fibre Reinforced Polymer Wrapping
(University of Waterloo, 2016-10-25)Many reinforced concrete structures containing lap splices were constructed before modern bond and fatigue design codes came into existence and are subjected to fatigue loading, which may lead to a bond failure even when ... -
The Fatigue Behaviour of Welded and Bolted Shear Connectors in Composite Highway Bridges
(University of Waterloo, 2018-09-26)At present, many Canadian bridges are overdue for rehabilitation or replacement. In the case of steel-concrete composite bridges, the shear connection between the concrete deck and the steel girders is a vital element of ... -
Fatigue Bond Behaviour of Corroded Reinforcement and CFRP Confined Concrete
(University of Waterloo, 2007-07-13)Bond in a reinforced concrete (RC) structure is the interaction force that transfers force between the steel and concrete. It influences the structural performance and serviceability of a structure under both static and ... -
The Fatigue Resistance of Headed Shear Stud Connectors in Steel-Precast Composite Girders
(University of Waterloo, 2017-01-20)Extensive research dating back to 1965 has been conducted on the fatigue performance of headed shear stud connectors in steel and cast-in-place composite girders. However, little research has been conducted specifically ...